Update live migration test to use new syntax for create_server
Update live migration test to use new syntax for create_server

Needed due to change I208b266253c0e48da66d1dd4c84a3c074c38d1a6
which modified the return value and required a new argument

Change-Id: Ic76e375af1ac6bbf2486677706917c8064ff1658
Fixes: bug 1135465

xbezdick/tempest,alinbalutoiu/tempest,rzarzynski/tempest,Lilywei123/tempest,Juraci/tempest,hayderimran7/tempest,alinbalutoiu/tempest,vmahuli/tempest,afaheem88/tempest_neutron,ebagdasa/tempest,roopali8/tempest,FujitsuEnablingSoftwareTechnologyGmbH/tempest,afaheem88/tempest,yamt/tempest,Vaidyanath/tempest,adkerr/tempest,zsoltdudas/lis-tempest,dkalashnik/tempest,sebrandon1/tempest,vedujoshi/os_tempest,neerja28/Tempest,ntymtsiv/tempest,LIS/lis-tempest,NexusIS/tempest,izadorozhna/tempest,ntymtsiv/tempest,citrix-openstack-build/tempest,Mirantis/tempest,queria/my-tempest,manasi24/tempest,JioCloud/tempest,tonyli71/tempest,Lilywei123/tempest,Mirantis/tempest,citrix-openstack/build-tempest,tudorvio/tempest,zsoltdudas/lis-tempest,manasi24/jiocloud-tempest-qatempest,flyingfish007/tempest,openstack/tempest,CiscoSystems/tempest,adkerr/tempest,vedujoshi/os_tempest,masayukig/tempest,varunarya10/tempest,pandeyop/tempest,openstack/tempest,Juniper/tempest,afaheem88/tempest_neutron,akash1808/tempest,rakeshmi/tempest,yamt/tempest,Juraci/tempest,akash1808/tempest,BeenzSyed/tempest,flyingfish007/tempest,roopali8/tempest,redhat-cip/tempest,cisco-openstack/tempest,sebrandon1/tempest,izadorozhna/tempest,cloudbase/lis-tempest,Tesora/tesora-tempest,nunogt/tempest,afaheem88/tempest,Tesora/tesora-tempest,citrix-openstack/build-tempest,vmahuli/tempest,cisco-openstack/tempest,eggmaster/tempest,FujitsuEnablingSoftwareTechnologyGmbH/tempest,itskewpie/tempest,CiscoSystems/tempest,vedujoshi/tempest,varunarya10/tempest,NexusIS/tempest,pandeyop/tempest,pczerkas/tempest,masayukig/tempest,jamielennox/tempest,jamielennox/tempest,Juniper/tempest,dkalashnik/tempest,JioCloud/tempest,hpcloud-mon/tempest,hayderimran7/tempest,LIS/lis-tempest,pczerkas/tempest,tonyli71/tempest,Vaidyanath/tempest,bigswitch/tempest,armando-migliaccio/tempest,xbezdick/tempest,hpcloud-mon/tempest,bigswitch/tempest,nunogt/tempest,armando-migliaccio/tempest,BeenzSyed/tempest,eggmaster/tempest,queria/my-tempest,jaspreetw/tempest,cloudbase/lis-tempest,itskewpie/tempest,manasi24/jiocloud-tempest-qatempest,neerja28/Tempest,manasi24/tempest,jaspreetw/tempest,vedujoshi/tempest,danielmellado/tempest,rakeshmi/tempest,danielmellado/tempest,rzarzynski/tempest,ebagdasa/tempest,citrix-openstack-build/tempest,redhat-cip/tempest,tudorvio/tempest